Information, even that published in "reputable" sources isn't always true, and doesn't always stay true.
After an article or book is published, you may find important feedback in
- Replies & letters to the editor of the journal the article was published in, usually in the next few issues. In databases, you'll find these if you limit (ideally "Document Type") for
- Book reviews, found in professional journals via PsycINFO and similar databases
- Book reviews, found in general newspapers & magazines.
- Citation indexes - these search footnotes in books & articles to find sources that cited the thing you read. The biggest one is Web of Science; PsycINFO has a smaller set.